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Radiant|Lab Grown|IGI

0.99ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG638415549

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG638415549

Diamond specifications and retailer prices

From £241 GBP
$323 USD
As of November 1, 2026
Save £741 GBP (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,803 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 0.99ct lab-grown radiant diamond

This 0.99ct lab-grown radiant sits in the just-under-one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG638415549 or 638415549. Listed at 4 retailers as of November 1, 2026, with a 308% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638415549
Dimensions7.28 × 4.93 × 3.17 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.28 mm4.93 mm0.99 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638415549
Side View
Table 68.0%Crown 43.6°Girdle: MED-STKPavilion 34.9°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,803 GBP|Low: £241 GBP|High: £1,803 GBP|Avg: £767 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 1, 2026
Retailer 3£241 GBP
Retailer 4£398 GBP
Retailer 5£581 GBP
Retailer 6£581 GBP
Retailer 7£775 GBP
Retailer 2£982 GBP
Do Amore Diamonds£1,803 GBP

11 data points across 7 retailers

4 retailers£241 GBP to £982 GBP

A
Cheapest Retailer
-
£241 GBP
$323 USD
B+
Retailer 2
-
£398 GBP
$534 USD
View
B
Retailer 3
-
£982 GBP
CA$1,830 CAD
View
Most Expensive
Do Amore Diamonds
16-500131917 · Nov 2
£1,803 GBP
$2,420 USD
View
Price under review
3 more retailers have this diamond
Prices start from £241 GBPSave up to £741 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.99ct Radiant
£241 GBP